Key facts
- Notable investors include MassChallenge, Greentown Labs, Harvard Innovation Launch Lab, Pillar VC, Chain Reaction Innovations — 8 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Rarefied
- ·The full record, as it builds
Funding rounds
No funding rounds for Rarefied are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Rarefied
Developer of levitation technology intended to help flights stay in the mesosphere. The company's propulsion system uses sunlight to generate thrust, which eliminates the need for onboard fuel or power, enabling aerospace companies to provide quality services.
- Sector
- Business Products and Services (B2B)
- HQ
- Cambridge, MA, United States
- Founded
- 2023
- Employees
- 3
- Website
- rarefied.tech/
- Ownership
- Privately Held (backing)
Rarefied doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Rarefied shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Rarefied in its N-PORT filings yet. We sweep new filings monthly.